CN102106205A

CN102106205A - Anti-blocking device for small-sized seeder

Info

Publication number: CN102106205A
Application number: CN 201110004764
Authority: CN
Inventors: 吕小莲; 吕小荣; 卢秉福; 程新平
Original assignee: Chuzhou University
Current assignee: Chuzhou University
Priority date: 2011-01-11
Filing date: 2011-01-11
Publication date: 2011-06-29
Anticipated expiration: 2031-01-11
Also published as: CN102106205B

Abstract

The invention discloses an anti-blocking device for a small-sized seeder, which consists of a bracket, a connecting frame and an anti-blocking plate device. The anti-blocking device for the small-sized seeder is characterized in that: the bracket comprises a longitudinal beam; the bottom end of the longitudinal beam is T-shaped and is fixedly connected with a transverse beam; an axle seat is arranged on the transverse beam; a screw axis is supported on the axle seat; the screw axis is provided with a torsional spring; the connecting frame comprises a U-shaped pull seat; a baffle shaft is fixedly arranged at the front end of the U-shaped pull seat; two side plates of the U-shaped pull seat are movably sleeved at the two ends of the screw axis; a transverse plate seat is fixedly arranged in the middle of the U-shaped pull seat; a middle shaft is fixedly suspended at the tail of the U-shaped pull seat through a longitudinal plate seat; the two ends of the middle shaft are sleeved with a pressure spring respectively; the anti-blocking plate device comprises a pair of anti-blocking plates arranged in a splayed way; the front ends of the anti-blocking plates are connected to the transverse plate seat through fixing nuts by pivoting shafts; and the tails of the pair of anti-blocking plates are sleeved at the two ends of the middle shaft respectively. The anti-blocking device for the small-sized seeder has a simple structure, low power consumption and high anti-blocking performance, and can ensure the furrowing and seeding quality of an opener.

Description

The miniature seeding machine bridge breaker

Technical field

The present invention relates to agricultural machinery technological field, be specifically related to a kind of bridge breaker of miniature seeding machine.

Background technology

When miniature seeding machine was put the field operation of foreign material such as still having stubble, soil block prior to seeding in order, plough was blocked and lost efficacy and happen occasionally, and needs manually auxiliary unimpeded after the obstruction, labor intensive man-hour, reduced production efficiency and operation quality.Solving anti-blocking key issue is the both sides that foreign material such as plough the place ahead stalk, weeds, soil block are pushed to them timely and effectively the sowing band, thereby alleviate the load of plough, prevent the blockage problem of plough, whether possess good anti-blocking performance, become one of key factor that influences miniature seeding machine production efficiency and seeding quality.

At present, domestic anti-block apparatus research mainly concentrates on the no-tillage seeding machine, one structure more complicated of these anti-block apparatus, and consumed power is bigger, is not suitable for miniature seeding machine.

Summary of the invention

The present invention is for avoiding above-mentioned existing in prior technology weak point, provide a kind of simple in structure, power consumption is little, the miniature seeding machine bridge breaker that anti-blocking performance is good, be with foreign material such as soil block, stalk to push away kind of a bed sowing to reach, it is smooth once more to plant a soil simultaneously, creates good sowing environment, guarantees the purpose of the water furrow planting quality of plough.

Technical solution problem of the present invention adopts following technical scheme:

Miniature seeding machine bridge breaker of the present invention is made up of support, link and anti-blocking panel assembly, and its design feature is:

Described support comprises a longeron, and the bottom of longeron is a "T"-shaped fixedly connected crossbeam, and an axle bed is set on crossbeam, and screw axis is bearing on the axle bed, and screw axis is provided with torsion spring;

Described link comprises the U-shaped pulling seat, fixedly installs a gear shaft at the front end of U-shaped pulling seat, and the biside plate movable set of U-shaped pulling seat is at the two ends of screw axis, and an end of torsion spring is supported on the crossbeam, the other end is supported on the gear shaft; Be set with the transverse slat seat at the middle part of U-shaped pulling seat, the afterbody of U-shaped pulling seat is by the stringer board seat axis that fixedly suspends, and the two ends of axis are set with stage clip;

Described anti-blocking panel assembly comprises the anti-closure plate of " eight " shape setting of a pair of being, and the front end of anti-closure plate is to be connected on the transverse slat seat by hold-doun nut around axle; The afterbody of a pair of anti-closure plate is set in the two ends of axis, and is that stage clip with suit on the clamping nut of axis outer end and the axis is fixed.

The design feature of the bridge breaker of miniature seeding machine of the present invention also is:

Described anti-closure plate is that rectangle and its outer lower portion are cutting edge with the front portion.

The front end of described anti-closure plate is one in front and one in back setting, and leaves the gap each other.

Compared with the prior art, beneficial effect of the present invention is embodied in:

1, volume of the present invention is little, in light weight, rational in infrastructure, use is flexible, conveniently is mounted on the miniature seeding machine, can enhance productivity and operation quality;

2, among the present invention two separately the anti-blocking panel assembly of independently working improved work quality and efficient, anti-closure plate adopts blade shape, when pushing foreign material, also have concurrently loosen the soil, effects such as hack, smooth kind bed, reduce the resistance of foreign material to anti-closure plate, reduce the power consumption of sower, the environment of creating for plough work;

3, anti-closure plate is one in front and one in back installed among the present invention, has effectively solved the bridge breaker Problem of Failure; Adopt the anti-closure plate of clamping nut and stage clip adjustment to push the angle of foreign material, can satisfy the differently thickness requirement of condition propelling movement foreign material, guarantee work quality;

4, being provided with of torsion spring and stage clip is beneficial to bridge breaker smoothly by obstacles such as soil block, root stubbles among the present invention, thereby prolongs the service life of bridge breaker.

Description of drawings

Fig. 1 is a perspective view of the present invention;

Fig. 2 is bridge breaker of the present invention and sower connection diagram;

Fig. 3 is a plan structure schematic diagram of the present invention.

Number in the figure: 1 support; 2 links; 3 anti-blocking panel assemblies; 4 plough frames; 11 longerons; 12 crossbeams; 13 axle beds; 14 screw axis; 15 torsion springs; 21 is the U-shaped pulling seat; 22 gear shafts; 23 transverse slat seats; 24 stringer board seats; 25 stage clips; 26 clamping nuts; 27 axis; 31 around axle; 32 anti-closure plates.

Embodiment

Present embodiment is made up of support 1, link 2 and anti-blocking panel assembly 3.

Fig. 1, shown in Figure 2, support 1 comprise a longeron 11, and the bottom of longeron 11 is a "T"-shaped fixedly connected crossbeam 12, and an axle bed 13 is set on crossbeam 12, and screw axis 14 is bearing on the axle bed 13, and screw axis 14 is provided with torsion spring 15;

Link 2 has U-shaped pulling seat 21, fixedly installs a gear shaft 22 at the front end of U-shaped pulling seat 21, and the biside plate movable set of U-shaped pulling seat 21 is at the two ends of screw axis 14, and torsion spring 15 1 ends are supported on the crossbeam 12, the other end is supported on the gear shaft 22; Be set with transverse slat seat 23 at the middle part of U-shaped pulling seat 21, the afterbody of U-shaped pulling seat 21 is by stringer board seat 24 axis 27 that fixedly suspends, and the two ends of axis 27 are set with stage clip 25;

Fig. 1, shown in Figure 3, anti-blocking panel assembly 3 comprise the anti-closure plate 32 of " eight " shape setting of a pair of being, and the front end of anti-closure plate is to be connected on the transverse slat seat 23 by hold-doun nut around axle 31; The afterbody of a pair of anti-closure plate 32 is set in the two ends of axis 27, and is that stage clip 25 with suit on the clamping nut 26 of axis 27 outer ends and the axis 27 is fixed.

In concrete the enforcement, the corresponding structure setting also comprises:

Anti-closure plate 32 be rectangle and its outer lower portion and anteriorly is cutting edge, to reduce the earthing resistance, can loosen the soil in the time of earthing, item multiple operations such as hack and cutting; The front end of anti-closure plate 32 is one in front and one in back setting, and leave the gap each other, when foreign material such as running into thick grass roots rely on, because the compressibility of stage clip, external force can be regulated the angle that anti-closure plate pushes foreign material automatically, two tandem installations of anti-closure plate can effectively prevent the winding of weeds and the obstruction of soil block, avoid bridge breaker to lose efficacy.

During anti-blocking operation, bridge breaker is connected to the positive front end of seed-furrow opener frame 4, adjusts the position-controllable system bridge breaker of support longeron and the height on ground up and down by support longeron 11; Before the sower operation, according to the situation in sowing field, arrangement back, can regulate the propelling movement foreign material angle theta of anti-blocking plate, thereby guarantee bridge breaker consumed power minimum by twisting clamping nut 26; Concrete operations rotate anti-closure plate for twisting clamping nut 26 around the shaft, determine the propelling movement foreign material angle theta of suitable anti-closure plate; The angle β of bridge breaker and vertical direction guarantees by torsion spring; When the sower operation, the mind-set both sides push foreign material in two anti-closure plate natural seeding kind bands.Before the anti-simultaneously closure plate, the bottom cutting edge structure can to soil block, the stalk of process loosen, hob broken; Two anti-closure plates are " eight " word arrangement; One situation foreign material are given the elastic force of the active force of anti-closure plate less than stage clip and torsion spring, anti-closure plate pushes the angle of foreign material and the angle of bridge breaker and vertical direction can not change, and when running into obstacles such as bulk pan soil or root stubble when anti-closure plate, anti-closure plate can't be with its chopping or crushing, barrier puts on the elastic force of the power of anti-closure plate greater than stage clip and torsion spring, this is, when the elastic force of horizontal applied force greater than stage clip, the propelling movement foreign material angle theta of anti-closure plate will change, anti-closure plate diminishes propelling movement foreign material angle theta around changeing in axially, slip over barrier smoothly and help anti-closure plate, slip over behind the barrier because the screen resilience of stage clip prevents that the propelling movement foreign material angle theta of closure plate is recovered voluntarily; When the elastic force of vertical active force greater than torsion spring, the angle β of bridge breaker and vertical direction will become greatly, drives bridge breaker and lifts, and clears the jumps smoothly and help bridge breaker, owing to the effect of torsion spring screen resilience, the angle β of bridge breaker and vertical direction is recovered after clearing the jumps.

Claims

1. the miniature seeding machine bridge breaker is made up of support (1), link (2) and anti-blocking panel assembly (3), it is characterized in that:

Described support (1) comprises a longeron (11), the bottom of longeron (11) is a "T"-shaped fixedly connected crossbeam (12), one axle bed (13) is set on crossbeam (12), and screw axis (14) is bearing on the axle bed (13), and screw axis (14) is provided with torsion spring (15);

Described link (2) comprises U-shaped pulling seat (21), front end at U-shaped pulling seat (21) fixedly installs a gear shaft (22), the biside plate movable set of U-shaped pulling seat (21) is at the two ends of screw axis (14), and torsion spring (15) one ends are supported on the crossbeam (12), the other end is supported on the gear shaft (22); Be set with transverse slat seat (23) at the middle part of U-shaped pulling seat (21), the afterbody of U-shaped pulling seat (21) is by stringer board seat (24) axis (27) that fixedly suspends, and the two ends of axis (27) are set with stage clip (25);

Described anti-blocking panel assembly (3) comprises the anti-closure plate (32) of " eight " shape setting of a pair of being, and the front end of anti-closure plate is to be connected by hold-doun nut on the transverse slat seat (23) around axle (31); The afterbody of a pair of anti-closure plate (32) is set in the two ends of axis (27), and is to be fixed with the stage clip (25) that the clamping nut (26) and the axis (27) of axis (27) outer end are gone up suit.

2. according to the bridge breaker of the miniature seeding machine of claim 1, it is characterized in that: described anti-closure plate (32) is for rectangle and its outer lower portion and anteriorly be cutting edge.

3. according to the bridge breaker of the miniature seeding machine of claim 1, it is characterized in that: the front end of described anti-closure plate (32) is one in front and one in back and is provided with, and leaves the gap each other.